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* Copyright 2010 Marek Olšák <maraeo@gmail.com>
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#include "pipe/p_context.h"
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#include "util/u_index_modify.h"
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#include "util/u_inlines.h"
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void util_shorten_ubyte_elts_to_userptr(struct pipe_context *context,
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const struct pipe_draw_info *info,
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unsigned add_transfer_flags,
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struct pipe_transfer *src_transfer = NULL;
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const unsigned char *in_map;
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unsigned short *out_map = out;
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if (info->has_user_indices) {
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in_map = info->index.user;
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in_map = pipe_buffer_map(context, info->index.resource,
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for (i = 0; i < count; i++) {
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*out_map = (unsigned short)(*in_map + index_bias);
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pipe_buffer_unmap(context, src_transfer);
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void util_rebuild_ushort_elts_to_userptr(struct pipe_context *context,
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const struct pipe_draw_info *info,
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unsigned add_transfer_flags,
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unsigned start, unsigned count,
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struct pipe_transfer *in_transfer = NULL;
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const unsigned short *in_map;
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unsigned short *out_map = out;
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if (info->has_user_indices) {
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in_map = info->index.user;
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in_map = pipe_buffer_map(context, info->index.resource,
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for (i = 0; i < count; i++) {
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*out_map = (unsigned short)(*in_map + index_bias);
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pipe_buffer_unmap(context, in_transfer);
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void util_rebuild_uint_elts_to_userptr(struct pipe_context *context,
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const struct pipe_draw_info *info,
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unsigned add_transfer_flags,
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unsigned start, unsigned count,
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struct pipe_transfer *in_transfer = NULL;
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const unsigned int *in_map;
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unsigned int *out_map = out;
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if (info->has_user_indices) {
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in_map = info->index.user;
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in_map = pipe_buffer_map(context, info->index.resource,
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for (i = 0; i < count; i++) {
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*out_map = (unsigned int)(*in_map + index_bias);
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pipe_buffer_unmap(context, in_transfer);